Next: Calling Parameters Up: CALgetVignettingFactor Previous: CALgetVignettingFactor Contents . This routine computes the mirror vignetting factor for a particular energy band at a specific position in the focal plane as the ratio between the mirror effective area values for that position and on-axis. ... the vignetting factor at any position in the field of view is calculated from a library of vignetting tables provided in the CCF. ...

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• Source Operations
• Parameters

We have designed the laboratory model of static Fourier spectrometer for onboard usage for spectral study of atmosphere and ionosphere. The gain of model is to simulate onboard FS which will not have any moving elements (all its optical elements will be mounted at fused quartz monolithic construction), to compare experimental results with theoretical estimations and to measure MTF of CCD array. ... This fact connected with low frequency response of CCD array due to small format of it. ...

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Celestron Discussion Forum . ... Celestron SP - C6 - onesolar - July 17, 2010 - 03:01 UTC . ... Celestron Secondary Mirror Housing - lannding - April 19, 2009 - 21:20 UTC . Celestron CGE 1100 XLT secondary mirror housing repair - lannding - April 19, 2009 - 21:17 UTC . Celestron gear problem - megrez1 - October 9, 2008 - 18:56 UTC . ... No Help at Celestron - robertandbob - March 30, 2008 - 00:17 UTC . ... celestron c8 question - tdogc8 - April 5, 2005 - 03:15 UTC . ... www.astronomy.net . ...

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Introduction The suggested invention relates to attitude control system of a spacecraft. ... Systems without interaction with ambient (Systems with jet engines) Here, for instance, we can put systems, which can generate torque because of jettisoning any particles or gas. ... The main element of the suggested attitude control system is an electrical motor, which main feature is absents of a stator. ... 3 Block diagram of an attitude control system on a jet engines base. ... It is a system with| | ...

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... Laser GLONASS" is a combination of methods and technology that will radically reduce that error. ... 2 LASER GLONASS Purpose of creation of laser technologies and systems Achievement of GLONASS target characteristics Component of error of position and time determination due to the space segment real time ­ up to 0.6 m and 0.1* m (base values ­ 2.8 m and 1.0* m) in posterior mode ­ up to 0.03 m (base value 0.1 m) up to 1 ns (base value ... 14 LASER GLONASS Thank you for your attention! ...

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• http://www.ipa.nw.ru/conference/wpltn2012/docs/24/1140%20sadovnikov.pdf
• (Untitled)
• Keywords_369

. About us . Divisions . Telescopes . Science . Publications . Education . Service . Contacts . Name . Position . E-mail . Zhekanis G.V. head of the group . gvz . Zhekanis L.S. senior engineer . lys . Matveev M.V. leading engineer . mmv . Sudar'kov D.Yu. engineer . clow13666@mail.ru *In case the domain name is not indicated after the identifier, please add @sao.ru to have the full email address. Any questions to webmaster . Last update: 26/07/2012

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StarShine-3: . ... The satellites are covered by nearly 1000 small, front-surface aluminum mirrors that are machined by technology students in Utah and polished by tens of thousands of students all over the world. ... And this is only small story about it. ... We will be able to measure the angular position of that satellite by observing sunlight flashes from small mirrors mounted on the surface of the satellite, as it passes across the starry sky before sunrise and after sunset.. ... Starshine 3 . ...

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Russian Assistant professor at the Independent University of Moscow . ... In 1992, from the graduate school of the Institute of Control Science , Moscow. In 1992, I obtained a Ph.D. degree in mathematics from the Institute of Control Science , under the supervision of Dr. Nikolay Bobylev . ... 1993--1995 --- a postdoctoral research position at the Israel Institute of Technology (Technion) , Haifa. 1992--1993 --- researcher in the Institute of Control Science . ...

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• Information about vacant positions and math teachers

... It was with this spirit that Norman Oberle suggested that area amateurs should have the benefit of a large aperture (25 inches or larger) telescope with sufficient focal length for excellent visual work. ... Norm Oberle and Jim Thomas spent 2,000 hours grinding and polishing to work the mirror into an oblate spheroid. ... Norm worked with Jim Thomas in a basement workshop. ... The Richland club is situated in the Hidden Hollow camp ground, and has long held meetings in the clubhouse on the grounds. ...

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... Specialists from the TESIS Control Centre, at the FIAN Laboratory of Solar X-ray Astronomy, have succeeded in fixing a malfunction in one of the observatory's central telescopes, which occurred in the second half of May. ... The main version of events pointed to a malfunction in the drive mechanism's reducer, which is responsible for the rotational power from the main shaft of the motor to its output shaft, which is connected to the shutter. ... The TESIS observatory ї TESIS: www.tesis.lebedev.ru . ...

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Second Millennium, Last Eclipse . ... Credit Copyright: Philipp Rau Explanation: Christmas Day 2000 featured the final eclipse of the Second Millennium -- a partial solar eclipse visible from much of North America . Astrophotographer Phil Rau recorded the entire event on a single image as the Sun and Moon arced through winter skies above Cary, North Carolina, USA. ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ... A service of: LHEA at NASA / GSFC . ...

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SAI VO . ... SAI CAS . ... Web Services . Catalog Access Services . ... SAI CAS Wiki . ... DSS Mirror . Astronomical Thesaurus . ... Under Agreement between the AstroNet project, Sternberg Astronomical Institute, Moscow University Russia AND the Association of Universities for Research in Astronomy , operating the Space Telescope Science Institute , we provide a local copy of Digitized Sky Survey , along with a set of services to access it both interactively and programmatically. ... SAI MSU | ...

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... Space flight . Crew training . ... Orlan-DMA-GN" is used in the neutral buoyancy facility of the Yu. Gagarin Cosmonaut Training Center and is designed for cosmonauts training under neutral buoyancy conditions for mastering the forthcoming EVA operations programs. ... Since there is an air between the space suit layers and the cosmonaut's body, the reverse affectation decreases sharply (a peculiar self-control of an organism, mostly subconscious, which flows via the feedback channels). ...

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... Advises . Contact Advises . As an advise for amateurs we would like to underline: if it's possible, try to observe 3 asteroid positions per night and do not neglect to observe the Numbered Minor Planets in your telescope field of view as a "by product" of your observational programs. ... We think such estimations ought to be produced every morning after CCD observations of the moving celestial objects by observer himself. ...

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... Solar telescopes . ... KIT (Kyiv Internet Telescope) is a joint project driven by the Main Astronomical Observatory of the National Academy of Science of Ukraine (MAO NASU) in close collaboration with the Astronomical Observatory of the Kyiv Taras Shevchenko University of Ministry of Education and Science of Ukraine (AO KNUTS MESU). ... If you have any question please feel free to contact us at the email address below. б  . Contact: This email address is being protected from spambots. ...

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• Equipment - Page 4

... For certain blo ck diagram (var. 1) and time of working cycle ( = 1 hour) find reliability function P (S ) and operating time to failure Tf (S ). ... Write answers on following questions: · May operating time to failure for system is increased twice by changing failure rate for element number 1? ... Change trim effect mechanism such, that 5 = 0, 2 · 10-6 1/h, then S = 3, 15 · 10-6 1/h, and operating time to failure for yaw control system Tf = 0, 32 · 106 h, reliability criterion is executed. ...

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... 2 Telescop e finder Do not rely on that the nominal alignment of coordinate system Auto Alignment made on stars will serve a long time. ... The Meade telesc tages: 1) there is no possibility to common error in the telescope soft system, when telescope moving in ope parking using command :hP# has the following disadvanobtain information on the completion of this procedure, 2) a often leads to tripping-over a limiter and to loss of coordinate a horizontal coordinate system. ... Home Position. ...

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Superconducting Imaging Array Receiver at 500 GHz with Internal Local Oscillators Sergey V. Shitov, Valery P. Koshelets , Lyudmila V. Filippenko, Andrey B. Ermakov Institute of radio Engineering and Electronics (IREE), Russian Academy of Sciences, Mokhovaya ... The antenna beam of about F/9 with typical sidelobes less than ­16 dB was measured and is close to the theoretical limit for this type of optics. ... Figure 1. ... The typical noise figure for the array is presented in Figure 5. ...

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• http://www.cplire.ru/html/lab234/pubs/2003-11.pdf

... SRC "Planeta" is executing operative control and guidance management of ground system for receiving and processing satellite data that includes three regional centers: European Center (SRC "Planeta", Moscow, with branch offices in Obninsk and Dolgoprudny), Siberian Center (regional department in Novosibirsk) €а& Far-Eastern Center (regional department in Khabarovsk). ... Catalogues of received and processed satellite data are available on€а SRC "Planeta" web-sites: . SRC "Planeta" . ...

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... Multiexposition 34 images Sun 1/1000 sec f/22 and 1 image background. ... It shows position of the Sun on the sky in the same time of a day during one year. Analemma - a trace of the annual movement of the Sun on the sky - is well known among experts of sun-dials and old Earth's globes as a diagram of change of seasons and an equation of time. ... Previously, the position of the Sun on the sky was calculated with computer as well as optimal moments of time for taking each of the exposures. ...